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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Sequence of events in one heartbeat
tricuspid valve
cardiac cycle
SA node
diastole
2. Purpose of teh coronary vessels
vagus nerves
supply the heart with oxygenated blood
coronary arteries
systole
3. First part of the cardia conduction pathway in teh ventircles
bundle of His...
SA node
cardiac output
cardiac cycle
4. Narrowing of a valve
stenosis...
pressoreceptors in teh carotid and aortic sinuses
arrhythmias
aortic and pulmonary semilunar valves
5. The centers that regulate heart rate located in the___
diastole
cardiac cycle
60-80
medulla
6. Heart rate below 60 bpm
endocardium
bradycardia
60-80
bundle of His...
7. Contraction
aorta
systole
aorta
epicardium
8. The chambers of teh heart that receive blood from the veins
SA node
right and left atria
fibrous epicardium
aorta
9. Normal range of heart rate for a healthy adult is _____ bpm
coronary veins
aortic and pulmonary semilunar valves
right and left atria
60-80
10. Amount of blood pumped by a ventricle in 1 minute
stenosis...
right and left atria
cardiac output
aortic and pulmonary semilunar valves
11. Heart is located here
medulla
arrhythmias
medial to the lungs and superior to the diaphragm
sodium ions and water
12. Visceral pericardium
bicuspid valve
fibrullation
epicardium
supply the heart with oxygenated blood
13. Veins that return blood to the right atrium
coronary arteries
arrhythmias
medulla
superior and inferior caval veins
14. Relaxation
diastole
closure of the valves
prevent friction as the heart beats
bicuspid valve
15. Cardiac muscle tissue
medulla
vagus nerves
myocardium
tricuspid valve
16. Electical activity of the heart may be depicted in an
right and left atria
60-80
ECG
arrhythmias
17. Largest artery of the body
aorta
medulla
fibrous epicardium
coronary arteries
18. Upper chamber of the heart
atrium
cardiac output
fibrous epicardium
cardiac reserve
19. 1st branches of teh ascending aorta
ischemia
right and left atria
coronary arteries
60-80
20. Area in the thoracic cavity between the lungs
aorta
diastole
ECG
mediastinum
21. Coronary sinus receives blood directly from this
systole
superior and inferior caval veins
coronary veins
cardiac output
22. Amount of blood pumped by a ventricle per beat
systole
stroke volume
endocardium
supply the heart with oxygenated blood
23. The amount of blood that returns to teh heart
venous return
stroke volume
mediastinum
medial to the lungs and superior to the diaphragm
24. Endocardium lines the chambers of the heart
pressoreceptors in teh carotid and aortic sinuses
mediastinum
is smooth to prevent abnormal clotting within the heart
stroke volume
25. Changes in blood pressure are detected by
diastole
diastole
pressoreceptors in teh carotid and aortic sinuses
SA node
26. Funciton of the serous fluid of teh pericardial membranes
fibrullation
prevent friction as the heart beats
bundle of His...
epicardium
27. Relaxation of chambers of the heart
atrium
diastole
medulla
bundle of His...
28. Nerves that transmit impulses to decrease the heart rate are the ____
aortic and pulmonary semilunar valves
SA node
myocardium
vagus nerves
29. Heart chambers are lined with this
arrhythmias
epicardium
systole
endocardium
30. Normal heart sounds are caused by
closure of the valves
SA node
pressoreceptors in teh carotid and aortic sinuses
prevent friction as the heart beats
31. Natural pacemaker of the heart
epicardium
SA node
coronary arteries
superior and inferior caval veins
32. Vessel into which the left ventricle pumps blood
coronary arteries
diastole
vagus nerves
aorta
33. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
prevent friction as the heart beats
sodium ions and water
aortic and pulmonary semilunar valves
arrhythmias
34. Part of the myocardium is deprived of its blood supply and becomes ______
mediastinum
ischemia
myocardium
tricuspid valve
35. Very rapid and uncoordinated ventricular beat
fibrullation
superior and inferior caval veins
vagus nerves
diastole
36. Contraction of chambers of the heart
SA node
pressoreceptors in teh carotid and aortic sinuses
systole
aorta
37. Outermost of the pericardial membranes
medial to the lungs and superior to the diaphragm
diastole
ischemia
fibrous epicardium
38. Each normal heartbeat is initiated by this
superior and inferior caval veins
closure of the valves
myocardium
SA node
39. Difference between resting cardiac output adn maximum exercise cardiac output
mediastinum
epicardium
aortic and pulmonary semilunar valves
cardiac reserve
40. Backflow o fblood from the arteries to the ventricles is prevented by these
medulla
aorta
aortic and pulmonary semilunar valves
sodium ions and water
41. Prevents backflow of blood from teh right ventricle to the right atrium
endocardium
coronary veins
tricuspid valve
bundle of His...
42. Irregular heartbeats
diastole
bicuspid valve
arrhythmias
supply the heart with oxygenated blood
43. Prevents backflow of blood from the left ventricle to the left atrium
bicuspid valve
stenosis...
closure of the valves
superior and inferior caval veins